diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/client_interceptors.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/client_interceptors.go
index f8fdecf..2e9cafd 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/client_interceptors.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/client_interceptors.go
@@ -4,6 +4,7 @@
 package grpc_opentracing
 
 import (
+	"context"
 	"io"
 	"sync"
 
@@ -11,7 +12,6 @@
 	opentracing "github.com/opentracing/opentracing-go"
 	"github.com/opentracing/opentracing-go/ext"
 	"github.com/opentracing/opentracing-go/log"
-	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/metadata"
@@ -25,6 +25,9 @@
 			return invoker(parentCtx, method, req, reply, cc, opts...)
 		}
 		newCtx, clientSpan := newClientSpanFromContext(parentCtx, o.tracer, method)
+		if o.unaryRequestHandlerFunc != nil {
+			o.unaryRequestHandlerFunc(clientSpan, req)
+		}
 		err := invoker(newCtx, method, req, reply, cc, opts...)
 		finishClientSpan(clientSpan, err)
 		return err
@@ -76,9 +79,7 @@
 
 func (s *tracedClientStream) CloseSend() error {
 	err := s.ClientStream.CloseSend()
-	if err != nil {
-		s.finishClientSpan(err)
-	}
+	s.finishClientSpan(err)
 	return err
 }
 
@@ -127,7 +128,7 @@
 	// Make sure we add this to the metadata of the call, so it gets propagated:
 	md := metautils.ExtractOutgoing(ctx).Clone()
 	if err := tracer.Inject(clientSpan.Context(), opentracing.HTTPHeaders, metadataTextMap(md)); err != nil {
-		grpclog.Printf("grpc_opentracing: failed serializing trace information: %v", err)
+		grpclog.Infof("grpc_opentracing: failed serializing trace information: %v", err)
 	}
 	ctxWithMetadata := md.ToOutgoing(ctx)
 	return opentracing.ContextWithSpan(ctxWithMetadata, clientSpan), clientSpan
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/id_extract.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/id_extract.go
index d19f3c8..bc7302e 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/id_extract.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/id_extract.go
@@ -23,8 +23,11 @@
 // https://github.com/opentracing/basictracer-go/blob/1b32af207119a14b1b231d451df3ed04a72efebf/propagation_ot.go#L26
 // Jaeger from Uber use one-key schema with next format '{trace-id}:{span-id}:{parent-span-id}:{flags}'
 // https://www.jaegertracing.io/docs/client-libraries/#trace-span-identity
-func injectOpentracingIdsToTags(span opentracing.Span, tags grpc_ctxtags.Tags) {
-	if err := span.Tracer().Inject(span.Context(), opentracing.HTTPHeaders, &tagsCarrier{tags}); err != nil {
+// Datadog uses keys ending with 'trace-id' and 'parent-id' (for span) by default:
+// https://github.com/DataDog/dd-trace-go/blob/v1/ddtrace/tracer/textmap.go#L77
+func injectOpentracingIdsToTags(traceHeaderName string, span opentracing.Span, tags grpc_ctxtags.Tags) {
+	if err := span.Tracer().Inject(span.Context(), opentracing.HTTPHeaders,
+		&tagsCarrier{Tags: tags, traceHeaderName: traceHeaderName}); err != nil {
 		grpclog.Infof("grpc_opentracing: failed extracting trace info into ctx %v", err)
 	}
 }
@@ -32,10 +35,28 @@
 // tagsCarrier is a really hacky way of
 type tagsCarrier struct {
 	grpc_ctxtags.Tags
+	traceHeaderName string
 }
 
 func (t *tagsCarrier) Set(key, val string) {
 	key = strings.ToLower(key)
+
+	if key == t.traceHeaderName {
+		parts := strings.Split(val, ":")
+		if len(parts) == 4 {
+			t.Tags.Set(TagTraceId, parts[0])
+			t.Tags.Set(TagSpanId, parts[1])
+
+			if parts[3] != jaegerNotSampledFlag {
+				t.Tags.Set(TagSampled, "true")
+			} else {
+				t.Tags.Set(TagSampled, "false")
+			}
+
+			return
+		}
+	}
+
 	if strings.Contains(key, "traceid") {
 		t.Tags.Set(TagTraceId, val) // this will most likely be base-16 (hex) encoded
 	}
@@ -51,17 +72,11 @@
 		}
 	}
 
-	if key == "uber-trace-id" {
-		parts := strings.Split(val, ":")
-		if len(parts) == 4 {
-			t.Tags.Set(TagTraceId, parts[0])
-			t.Tags.Set(TagSpanId, parts[1])
+	if strings.HasSuffix(key, "trace-id") {
+		t.Tags.Set(TagTraceId, val)
+	}
 
-			if parts[3] != jaegerNotSampledFlag {
-				t.Tags.Set(TagSampled, "true")
-			} else {
-				t.Tags.Set(TagSampled, "false")
-			}
-		}
+	if strings.HasSuffix(key, "parent-id") {
+		t.Tags.Set(TagSpanId, val)
 	}
 }
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/metadata.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/metadata.go
index 38f251d..3649fb5 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/metadata.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/metadata.go
@@ -7,8 +7,6 @@
 	"encoding/base64"
 	"strings"
 
-	"fmt"
-
 	"google.golang.org/grpc/metadata"
 )
 
@@ -32,12 +30,8 @@
 func (m metadataTextMap) ForeachKey(callback func(key, val string) error) error {
 	for k, vv := range m {
 		for _, v := range vv {
-			if decodedKey, decodedVal, err := metadata.DecodeKeyValue(k, v); err == nil {
-				if err = callback(decodedKey, decodedVal); err != nil {
-					return err
-				}
-			} else {
-				return fmt.Errorf("failed decoding opentracing from gRPC metadata: %v", err)
+			if err := callback(k, v); err != nil {
+				return err
 			}
 		}
 	}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/options.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/options.go
index e75102b..430fe56 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/options.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/options.go
@@ -21,9 +21,18 @@
 // If it returns false, the given request will not be traced.
 type FilterFunc func(ctx context.Context, fullMethodName string) bool
 
+// UnaryRequestHandlerFunc is a custom request handler
+type UnaryRequestHandlerFunc func(span opentracing.Span, req interface{})
+
+// OpNameFunc is a func that allows custom operation names instead of the gRPC method.
+type OpNameFunc func(method string) string
+
 type options struct {
-	filterOutFunc FilterFunc
-	tracer        opentracing.Tracer
+	filterOutFunc           FilterFunc
+	tracer                  opentracing.Tracer
+	traceHeaderName         string
+	unaryRequestHandlerFunc UnaryRequestHandlerFunc
+	opNameFunc              OpNameFunc
 }
 
 func evaluateOptions(opts []Option) *options {
@@ -35,6 +44,9 @@
 	if optCopy.tracer == nil {
 		optCopy.tracer = opentracing.GlobalTracer()
 	}
+	if optCopy.traceHeaderName == "" {
+		optCopy.traceHeaderName = "uber-trace-id"
+	}
 	return optCopy
 }
 
@@ -47,9 +59,31 @@
 	}
 }
 
+// WithTraceHeaderName customizes the trace header name where trace metadata passed with requests.
+// Default one is `uber-trace-id`
+func WithTraceHeaderName(name string) Option {
+	return func(o *options) {
+		o.traceHeaderName = name
+	}
+}
+
 // WithTracer sets a custom tracer to be used for this middleware, otherwise the opentracing.GlobalTracer is used.
 func WithTracer(tracer opentracing.Tracer) Option {
 	return func(o *options) {
 		o.tracer = tracer
 	}
 }
+
+// WithUnaryRequestHandlerFunc sets a custom handler for the request
+func WithUnaryRequestHandlerFunc(f UnaryRequestHandlerFunc) Option {
+	return func(o *options) {
+		o.unaryRequestHandlerFunc = f
+	}
+}
+
+// WithOpName customizes the trace Operation name
+func WithOpName(f OpNameFunc) Option {
+	return func(o *options) {
+		o.opNameFunc = f
+	}
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/server_interceptors.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/server_interceptors.go
index 53764a0..186b108 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/server_interceptors.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing/server_interceptors.go
@@ -4,13 +4,14 @@
 package grpc_opentracing
 
 import (
+	"context"
+
 	"github.com/grpc-ecosystem/go-grpc-middleware"
 	"github.com/grpc-ecosystem/go-grpc-middleware/tags"
 	"github.com/grpc-ecosystem/go-grpc-middleware/util/metautils"
 	"github.com/opentracing/opentracing-go"
 	"github.com/opentracing/opentracing-go/ext"
 	"github.com/opentracing/opentracing-go/log"
-	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/grpclog"
 )
@@ -26,7 +27,14 @@
 		if o.filterOutFunc != nil && !o.filterOutFunc(ctx, info.FullMethod) {
 			return handler(ctx, req)
 		}
-		newCtx, serverSpan := newServerSpanFromInbound(ctx, o.tracer, info.FullMethod)
+		opName := info.FullMethod
+		if o.opNameFunc != nil {
+			opName = o.opNameFunc(info.FullMethod)
+		}
+		newCtx, serverSpan := newServerSpanFromInbound(ctx, o.tracer, o.traceHeaderName, opName)
+		if o.unaryRequestHandlerFunc != nil {
+			o.unaryRequestHandlerFunc(serverSpan, req)
+		}
 		resp, err := handler(newCtx, req)
 		finishServerSpan(ctx, serverSpan, err)
 		return resp, err
@@ -40,7 +48,11 @@
 		if o.filterOutFunc != nil && !o.filterOutFunc(stream.Context(), info.FullMethod) {
 			return handler(srv, stream)
 		}
-		newCtx, serverSpan := newServerSpanFromInbound(stream.Context(), o.tracer, info.FullMethod)
+		opName := info.FullMethod
+		if o.opNameFunc != nil {
+			opName = o.opNameFunc(info.FullMethod)
+		}
+		newCtx, serverSpan := newServerSpanFromInbound(stream.Context(), o.tracer, o.traceHeaderName, opName)
 		wrappedStream := grpc_middleware.WrapServerStream(stream)
 		wrappedStream.WrappedContext = newCtx
 		err := handler(srv, wrappedStream)
@@ -49,21 +61,21 @@
 	}
 }
 
-func newServerSpanFromInbound(ctx context.Context, tracer opentracing.Tracer, fullMethodName string) (context.Context, opentracing.Span) {
+func newServerSpanFromInbound(ctx context.Context, tracer opentracing.Tracer, traceHeaderName, opName string) (context.Context, opentracing.Span) {
 	md := metautils.ExtractIncoming(ctx)
 	parentSpanContext, err := tracer.Extract(opentracing.HTTPHeaders, metadataTextMap(md))
 	if err != nil && err != opentracing.ErrSpanContextNotFound {
-		grpclog.Printf("grpc_opentracing: failed parsing trace information: %v", err)
+		grpclog.Infof("grpc_opentracing: failed parsing trace information: %v", err)
 	}
 
 	serverSpan := tracer.StartSpan(
-		fullMethodName,
+		opName,
 		// this is magical, it attaches the new span to the parent parentSpanContext, and creates an unparented one if empty.
 		ext.RPCServerOption(parentSpanContext),
 		grpcTag,
 	)
 
-	injectOpentracingIdsToTags(serverSpan, grpc_ctxtags.Extract(ctx))
+	injectOpentracingIdsToTags(traceHeaderName, serverSpan, grpc_ctxtags.Extract(ctx))
 	return opentracing.ContextWithSpan(ctx, serverSpan), serverSpan
 }
 
@@ -74,7 +86,6 @@
 		// Don't tag errors, log them instead.
 		if vErr, ok := v.(error); ok {
 			serverSpan.LogKV(k, vErr.Error())
-
 		} else {
 			serverSpan.SetTag(k, v)
 		}